shoppingcartdao.java

这是一个购物车的源码

package com.tarena.shoppingcart.dao;
import java.util.*;
import com.tarena.shoppingcart.entity.User;
import com.tarena.shoppingcart.entity.Order;

public interface ShoppingCartDAO {
	public abstract Collection listProducts();
	public abstract User login(String username,String password);
	public abstract int generateOrder(Order order);
}